Chemical Composition
| Element | Weight % |
|---|---|
| Carbon | 0.05 - 0.15 |
| Chromium | 20 - 24 |
| Cobalt | ≤5.00 |
| Molybdenum | 1 - 3 |
| Tungsten | 13 - 15 |
| Iron | ≤3 |
| Nickel | Bal. |
| Boron | ≤0.015 |
| Sulfur | ≤0.015 |
| Silicon | 0.25 - 0.75 |
| Manganese | ≤0.3 - 1 |
| Phosphorus | ≤0.03 |
| Lanthanum | 0.005 - 0.05 |
| Aluminium | 0.2 - 0.5 |
| Copper | ≤0.50 |
| Titanium | ≤0.10 |
| Oxygen | ≤0.02 |
| Nitrogen | ≤0.02 |
Mechanical Properties
| Deposited State | After Heat Treatment | |
| Yield strength | ≥1050 MPa | ≥950 MPa |
| Tensile strength | ≥1150 MPa | ≥1000 MPa |
| Elongation | ≥8.0 % | ≥10.0 % |
Morphology
| Particle size distribution | ||
|---|---|---|
| D10 | D50 | D90 |
| ≥15 µm | 30 - 40 µm | ≤56 µm |
| Sphericity | ≥0.85 | |
| Packing density | ≥4.4 cm³ | |
| Tap density | ≥5.0 g/cm³ | |
| Flowability | ≤18 s/50g | |
